body {
    width: 100vw;
    background-color: #f7f5f5;
    overflow-x: hidden;
    position: relative;
}

a {
    text-decoration: none;
    color: #000000;
}

/* header样式 */
.outer {
    width: 100%;
    height: 60px;
    line-height: 60px;
    background-color: #ffffff;
}

.header {
    width: 85%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
}

.header ul {
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: space-between;
}

.header ul li {
    font-family: MicrosoftYaHei;
    font-size: 18px;
    font-weight: normal;
    font-stretch: normal;
    letter-spacing: 0px;
    color: #333333;
}

.header .left {
    width: 520px;
    height: 100%;
}

.header .right {
    width: 200px;
}

.header .left li,
.header .right li,
.header .center {
    display: flex;
    flex-direction: column;
    justify-content: center;
    cursor: pointer;
}

.header .left li {
    width: 75px;
    /* height: 35px; */
    text-align: center;
}

.header .left li:first-child {
    width: initial;
    height: initial;
}

.header .left li span:hover a,
.header .left li:nth-child(2) span a {
    color: #ffffff;
}

.header .left li span:hover,
.header .left li:nth-child(2) span {
    display: inline-block;
    line-height: 35px;
    text-align: center;
    width: 75px;
    height: 35px;
    text-align: center;
    background-color: #f06e1e;
    border-radius: 17px;
}


.header .center div {
    width: 250px;
    height: 30px;
    line-height: 30px;
    display: flex;
    justify-content: space-around;
    background-color: #f1f2f4;
    border-radius: 16px;
}

.header .center div input {
    border: none;
    outline: none;
    background-color: #f1f2f4;
    text-align: center;
}

.header .right li {
    width: 60px;
}